ceph/src/rocksdb/util/logging.h

   1 //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
   2 //  This source code is licensed under both the GPLv2 (found in the
   3 //  COPYING file in the root directory) and Apache 2.0 License
   4 //  (found in the LICENSE.Apache file in the root directory).
   5 //
   6 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
   7 // Use of this source code is governed by a BSD-style license that can be
   8 // found in the LICENSE file. See the AUTHORS file for names of contributors.
   9 //
  10 // Must not be included from any .h files to avoid polluting the namespace
  11 // with macros.
  12
  13 #pragma once
  14
  15 // Helper macros that include information about file name and line number
  16 #define ROCKS_LOG_STRINGIFY(x) #x
  17 #define ROCKS_LOG_TOSTRING(x) ROCKS_LOG_STRINGIFY(x)
  18 #define ROCKS_LOG_PREPEND_FILE_LINE(FMT) ("[%s:" ROCKS_LOG_TOSTRING(__LINE__) "] " FMT)
  19
  20 inline const char* RocksLogShorterFileName(const char* file)
  21 {
  22   // 15 is the length of "util/logging.h".
  23   // If the name of this file changed, please change this number, too.
  24   return file + (sizeof(__FILE__) > 15 ? sizeof(__FILE__) - 15 : 0);
  25 }
  26
  27 // Don't inclide file/line info in HEADER level
  28 #define ROCKS_LOG_HEADER(LGR, FMT, ...)                                          \
  29   rocksdb::Log(InfoLogLevel::HEADER_LEVEL, LGR, FMT, ##__VA_ARGS__)
  30
  31 #define ROCKS_LOG_DEBUG(LGR, FMT, ...)                                           \
  32   rocksdb::Log(InfoLogLevel::DEBUG_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
  33                RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
  34
  35 #define ROCKS_LOG_INFO(LGR, FMT, ...)                                            \
  36   rocksdb::Log(InfoLogLevel::INFO_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT),  \
  37                RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
  38
  39 #define ROCKS_LOG_WARN(LGR, FMT, ...)                                            \
  40   rocksdb::Log(InfoLogLevel::WARN_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT),  \
  41                RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
  42
  43 #define ROCKS_LOG_ERROR(LGR, FMT, ...)                                           \
  44   rocksdb::Log(InfoLogLevel::ERROR_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
  45                RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
  46
  47 #define ROCKS_LOG_FATAL(LGR, FMT, ...)                                           \
  48   rocksdb::Log(InfoLogLevel::FATAL_LEVEL, LGR, ROCKS_LOG_PREPEND_FILE_LINE(FMT), \
  49                RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
  50
  51 #define ROCKS_LOG_BUFFER(LOG_BUF, FMT, ...)                                      \
  52   rocksdb::LogToBuffer(LOG_BUF, ROCKS_LOG_PREPEND_FILE_LINE(FMT),                \
  53                        RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
  54
  55 #define ROCKS_LOG_BUFFER_MAX_SZ(LOG_BUF, MAX_LOG_SIZE, FMT, ...)                 \
  56   rocksdb::LogToBuffer(LOG_BUF, MAX_LOG_SIZE, ROCKS_LOG_PREPEND_FILE_LINE(FMT),  \
  57                        RocksLogShorterFileName(__FILE__), ##__VA_ARGS__)
  58
  59 #define ROCKS_LOG_DETAILS(LGR, FMT, ...) \
  60   ;  // due to overhead by default skip such lines
  61 // ROCKS_LOG_DEBUG(LGR, FMT, ##__VA_ARGS__)